Xeon X3440 vs Xeon X5482

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Xeon X3440 vs Xeon X5482 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Xeon X3440 vs Xeon X5482: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Xeon X3440

2009

Why buy it

✅+0.5% higher PassMark.
✅Draws 95W instead of 150W, a 55W reduction.

Trade-offs

❌Smaller total L3 cache (8 MB vs 12 MB).
❌Launch MSRP is still $215 MSRP, while Xeon X5482 mostly shows up through inconsistent older-market listings.

Xeon X5482

2007

Why buy it

✅+50% larger total L3 cache (12 MB vs 8 MB).

Trade-offs

❌Lower PassMark (2,755 vs 2,769).
❌57.9% higher power demand at 150W vs 95W.

Quick Answers

So, is Xeon X3440 better than Xeon X5482?

It depends on what you want from the system. For gaming, Xeon X5482 is ahead with a 2.3% average FPS lead across 23 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon X3440 pulls ahead with 0.5% better PassMark. Xeon X5482 also has the bigger cache pool with 50% larger total L3 cache (12 MB vs 8 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon X3440 is the stronger fit. You are getting 0.5% better PassMark, backed by 4 cores and 8 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Xeon X3440 is the better buy right now. Xeon X3440 comes in at an unclear MSRP at $215 MSRP versus unclear MSRP, and it still gives you 0.5% better PassMark. The compromise is that Xeon X5482 is still the better pure gaming CPU with a 2.3% average FPS lead across 23 shared CPU game tests in our data. It is also 100.0% better value on MSRP (12.9 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Xeon X3440 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2009 vs 2007) and more multi-core headroom with 4 cores / 8 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon X3440 vs Xeon X5482 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Xeon X3440

The Xeon X3440 is manufactured by Intel. It was released in 8 September 2009 (16 years ago). It is based on the Lynnfield (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.53 GHz, with boost up to 2.93 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1156. Thermal design power (TDP): 95 Watt. Memory support: DDR3-800, DDR3-1066, DDR3-1333. Passmark benchmark score: 2,769 points. Launch price was $215.

Xeon X5482

The Xeon X5482 is manufactured by Intel. It was released in 11 November 2007 (18 years ago). It is based on the Harpertown (2007−2008) architecture. It features 4 cores and 4 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 12 MB L2 Cache. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA771. Thermal design power (TDP): 150 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 2,755 points. Launch price was $1,279.

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Processing Power

The Xeon X3440 packs 4 cores / 8 threads, matching the Xeon X5482's 4 cores. Boost clocks reach 2.93 GHz on the Xeon X3440 versus 3.2 GHz on the Xeon X5482 — a 8.8% clock advantage for the Xeon X5482 (base: 2.53 GHz vs 3.2 GHz). The Xeon X3440 uses the Lynnfield (2009−2010) architecture (45 nm), while the Xeon X5482 uses Harpertown (2007−2008) (45 nm). In PassMark, the Xeon X3440 scores 2,769 against the Xeon X5482's 2,755 — a 0.5% lead for the Xeon X3440. L3 cache: 8 MB (total) on the Xeon X3440 vs 12 MB L2 Cache on the Xeon X5482.

Feature	Xeon X3440	Xeon X5482
Cores / Threads	4 / 8	4 / 4
Boost Clock	2.93 GHz	3.2 GHz+9%
Base Clock	2.53 GHz	3.2 GHz+26%
L3 Cache	8 MB (total)	12 MB L2 Cache+50%
L2 Cache	256 kB (per core)	6 MB (total)+2300%
Process	45 nm	45 nm
Architecture	Lynnfield (2009−2010)	Harpertown (2007−2008)
PassMark	2,769	2,755

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Memory & Platform

The Xeon X3440 uses the LGA1156 socket (PCIe 2.0), while the Xeon X5482 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.